Abstract
We propose a model for chemisorptions and surface reactions in which ‘‘adcluster’’ (admolecule+cluster) is dipped onto the electron ‘‘bath’’ of a solid metal and an equilibrium is established for the electron and/or spin transfer between them. The equilibrium condition is described with the use of the chemical potentials of the adcluster and the solid surface. Since the adcluster is a partial system, the number of the transferred electrons n is not necessarily an integer. Some typical behaviors of the energy E(n) of the adcluster are explained. A molecular orbital model is proposed to calculate the energy E(n) and the electronic structure of the adcluster. The electrostatic energy due to a charge polarization is also important though it is insensitive to the chemical structure of the adcluster. Sample application is given for the Pd–O2 system.
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Dates
Type | When |
---|---|
Created | 23 years ago (July 26, 2002, 9:20 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 10, 2024, 1:55 a.m.) |
Indexed | 2 months, 1 week ago (June 16, 2025, 8:07 a.m.) |
Issued | 37 years, 10 months ago (Oct. 15, 1987) |
Published | 37 years, 10 months ago (Oct. 15, 1987) |
Published Print | 37 years, 10 months ago (Oct. 15, 1987) |
@article{Nakatsuji_1987, title={Dipped adcluster model for chemisorptions and catalytic reactions on a metal surface}, volume={87}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.452814}, DOI={10.1063/1.452814}, number={8}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Nakatsuji, Hiroshi}, year={1987}, month=oct, pages={4995–5001} }